Math, asked by decentdevil306, 23 days ago

Factorise by regrouping please help !
9b+15ab+25a+15 ​

Answers

Answered by bagkakali
1

Answer:

9b+15ab+25a+15

=9b+15ab+15+25a

=3b(3+5a)+5(3+5a)

=(3+5a)(3b+5)

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